How do you run extended hardware test on new iMac?

Discussion in 'iMac' started by richard371, Feb 19, 2015.

  1. richard371 macrumors 68000

    Joined:
    Feb 1, 2008
    #1
    I tried starting u with D and Option+D and All i get is a 3 minute test that says if there are any errors. How do you get to the extensive memory tests etc?

    Thanks
     
  2. frompast macrumors member

    Joined:
    Aug 15, 2010

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